[ipaccess] Start the parser recursively...

* Start parsing the sub SDPs with the same analyze method
diff --git a/openbsc/src/ipaccess/ipaccess-firmware.c b/openbsc/src/ipaccess/ipaccess-firmware.c
index 1325e55..f0c23e3 100644
--- a/openbsc/src/ipaccess/ipaccess-firmware.c
+++ b/openbsc/src/ipaccess/ipaccess-firmware.c
@@ -155,13 +155,9 @@
 			return;
 		}
 
-		rc = read(fd, &buf, 4);
-		if (rc != 4) {
-			perror("peek failed");
-			return;
-		}
-
-		printf("FOO %.4s\n", buf);
+		printf("------> parsing\n");
+		analyze_file(fd, ntohl(entry.length), offset);
+		printf("<------ parsing\n");
 	}
 }